[Outlook for iOS and Android] Copilot Chat in Outlook UX improvements

What and Why: Copilot Chat in Outlook on iOS and Android is getting updated! We are refreshing the Microsoft 365 Copilot Chat experience in Outlook mobile to deliver a more consistent and intuitive experience across Microsoft 365 apps, with improvements to the chat interface, suggested prompts, response presentation, and navigation between chat views - making it easier for users to interact with Copilot while staying in the context of their work in Outlook. Rollout Schedule: General Availability (Worldwide): We will begin rolling out on mid December 2026 and expect to complete by late January 2027. Impact on Your Organization: After this update, users accessing Copilot Chat in Outlook on iOS or Android will notice: Refreshed chat experience: A more consistent One Copilot design across Microsoft 365 apps, including updated suggested prompts, input box, and side navigation. Temporary Chat: Moved from the top-right corner to the (...) More options menu. Users can continue using Copilot for general conversations or within supported Outlook workflows. Existing Copilot capabilities and access controls remain unchanged. Action Required/Recommendations: No admin action is required. Compliance considerations: No compliance considerations identified. Review as appropriate for your organization.